RE: [nfsv4] device IDs and stateids

[Mike Eisler <email2mre-ietf at yahoo.com>]

--- "Noveck, Dave" <Dave.Noveck at netapp.com> wrote:


>  I think some of the confusion about
> cfh on GETDEVICEINFO and GETDEVICELIST  may be related to
> the fact that device stateis have been described as delegations
> on the mapping without being terribly clear on details of 
> that analogy/identification.

Before I go catch a bus, the cfh for GETDEVICE* is likely an
artificial construct by the server. No cfh is required on input to
to GETDEVICE*, but a cfh is generated. This cfh is used when
the client returns the device stateid (or if one of zillions of device
stateids if trends continue), and also on recall of the device
stateid(s).

We have a delegation and recall mechanism; we shouldn't implement
a parallel system that does the same thing.


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